48 C.F.R. § 18.127
Subpart 50.1 prescribes policies and procedures for entering into, amending, or modifying contracts in order to facilitate the national defense under the extraordinary emergency authority granted by Public Law 85-804 (50 U.S.C. 1431-1434). This includes—
[71 FR 38248, July 5, 2006. Redesignated at 72 FR 46344, Aug. 17, 2007, as amended at 72 FR 63030, Nov. 7, 2007. Redesignated at 76 FR 18309, Apr. 1, 2011]